45881137 has 2 divisors, whose sum is σ = 45881138. Its totient is φ = 45881136.

The previous prime is 45881119. The next prime is 45881141. The reversal of 45881137 is 73118854.

45881137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43678881 + 2202256 = 6609^2 + 1484^2 .

It is a cyclic number.

It is not a de Polignac number, because 45881137 - 2¹⁹ = 45356849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45881096 and 45881105.

It is not a weakly prime, because it can be changed into another prime (45881117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22940568 + 22940569.

It is an arithmetic number, because the mean of its divisors is an integer number (22940569).

Almost surely, 2^45881137 is an apocalyptic number.

It is an amenable number.

45881137 is a deficient number, since it is larger than the sum of its proper divisors (1).

45881137 is an equidigital number, since it uses as much as digits as its factorization.

45881137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 37.

The square root of 45881137 is about 6773.5616185283. The cubic root of 45881137 is about 357.9959036390.

The spelling of 45881137 in words is "forty-five million, eight hundred eighty-one thousand, one hundred thirty-seven".